Removal & Installation (Except 1.0L, 1.3L, 1.8L & 1.9L)
Turn ignition off. Disconnect negative battery cable. Locate PCM. See PCM LOCATION (EXCEPT 1.0L, 1.3L, 1.8L & 1.9L) table. Remove any necessary components to gain access to PCM. Disconnect harness connectors from PCM. Remove PCM mounting bolts (if equipped). Remove PCM. To install, reverse removal procedure. Transfer any necessary components (i.e., knock sensor module, EEPROM, etc.) to new PCM before installation. Program replacement PCM using appropriate equipment and latest software. See COMPUTER RELEARN PROCEDURES .
PCM LOCATION (EXCEPT 1.0L, 1.3L, 1.8L & 1.9L)
| Application | Location | |
|---|---|---|
| 2.2L | In Right Front Corner Of Engine Compartment | |
| 2.4L & 3.4L | Under Left Side Of Instrument Panel | |
| 3.0L | On Left Side Of Engine Compartment, In ECM Housing | |
| 3.1L | ||
| Century & Grand Prix | On Left Side Of Engine Compartment, In Air Cleaner Assembly | |
| Cutlass & Malibu | Under Left Side Of Instrument Panel | |
| Lumina & Monte Carlo | On Right Side Of Engine Compartment, Forward Of Strut Tower | |
| 3.5L | On Left Side Of Engine Compartment, In Air Cleaner Assembly | |
| 3.8L | ||
| Bonneville, Eighty Eight, Grand Prix, Intrigue, LeSabre, LSS, Park Avenue & Regal | On Left Side Of Engine Compartment, In Air Cleaner Assembly | |
| Camaro & Firebird | On Right Side Of Firewall | |
| Lumina & Monte Carlo | On Right Side Of Engine Compartment, Forward Of Strut Tower | |
| Riviera | Under Right Side Of Instrument Panel | |
| 4.0L | Under Right Side Of Instrument Panel | |
| 4.6L | In Left Front Corner Of Engine Compartment, Under Air Cleaner | |
| 5.7L | ||
| Camaro & Firebird | On Right Side Of Firewall | |
| Corvette | In Right Front Wheelwell | |